Method and apparatus for reducing NO.sub.x from furnaces

Details Method and apparatus for reducing NO.sub.x from furnaces Method and apparatus for reducing NO.sub.x from furnaces

1975-05-15

1977-05-03

Camby, John J.

Combustion

Process of combustion or burner operation

Flame shaping, or distributing components in combustion zone

431182, 431352, 60 3965, F23M 100

Patent

active

040211860

ABSTRACT:
NO.sub.x produced by combustion of nitrogen-containing fuels is reduced by a forced draft burner operating with below stoichiometric mixtures of air and fuel in a primary combustion chamber, combustion being completed by controlled injection of secondary air near the outlet of the chamber.

REFERENCES:
patent: 3228451 (1966-01-01), Fraser et al.
patent: 3306333 (1967-02-01), Mock
patent: 3476494 (1969-11-01), Buchanan et al.
patent: 3593518 (1971-07-01), Gerrard
patent: 3705492 (1972-12-01), Vickers
patent: 3736747 (1973-06-01), Warren
patent: 3754393 (1973-08-01), Handa
patent: 3826077 (1974-07-01), Quigg et al.

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